21856614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3547}}^1$

素因数の和:3644

約数の個数: 32

約数和(自身を含む): 47685120

約数和(自身を除く): 25828506

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3547, 6162, 7094, 10641, 21282, 46111, 92222, 138333, 276666, 280213, 560426, 840639, 1681278, 3642769, 7285538, 10928307, 21856614]

約数ペア:

[(1, 21856614), (2, 10928307), (3, 7285538), (6, 3642769), (13, 1681278), (26, 840639), (39, 560426), (78, 280213), (79, 276666), (158, 138333), (237, 92222), (474, 46111), (1027, 21282), (2054, 10641), (3081, 7094), (3547, 6162)]